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CA2263497A1 - Procede d'oxydation par micro-onde d'un minerai sulfure dans un lit fluidise, sans emission de dioxyde de soufre - Google Patents

Procede d'oxydation par micro-onde d'un minerai sulfure dans un lit fluidise, sans emission de dioxyde de soufre Download PDF

Info

Publication number
CA2263497A1
CA2263497A1 CA002263497A CA2263497A CA2263497A1 CA 2263497 A1 CA2263497 A1 CA 2263497A1 CA 002263497 A CA002263497 A CA 002263497A CA 2263497 A CA2263497 A CA 2263497A CA 2263497 A1 CA2263497 A1 CA 2263497A1
Authority
CA
Canada
Prior art keywords
reaction
bed
fluidizing
gas
microwave energy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002263497A
Other languages
English (en)
Inventor
Paul R. Kruesi
James M. Tranquilla
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EMR Microwave Technology Corp
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2263497A1 publication Critical patent/CA2263497A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/10—Roasting processes in fluidised form
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00—Obtaining noble metals
    • C22B11/02—Obtaining noble metals by dry processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00—Obtaining copper
    • C22B15/0002—Preliminary treatment
    • C22B15/001—Preliminary treatment with modification of the copper constituent
    • C22B15/0013—Preliminary treatment with modification of the copper constituent by roasting
    • C22B15/0015—Oxidizing roasting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00026—Controlling or regulating the heat exchange system
    • B01J2208/00035—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2208/00044—Temperature measurement

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

La présente invention concerne un procédé de traitement de minéraux de pyrite par l'utilisation d'un réacteur de fluidisation alimenté par énergie micro-onde, à des conditions de température qui permettent d'obtenir des produits de réaction relativement exempts d'émissions de SO¿2?. Les conditions de température contrôlées auxquelles les produits de réaction deviennent hématite ou soufre élémentaire peuvent être obtenues par recyclage et refroidissement d'une partie du gaz de fluidisation sortant et par régulation de l'énergie micro-onde qui alimente le lit fluidisé.
CA002263497A 1996-08-27 1997-08-08 Procede d'oxydation par micro-onde d'un minerai sulfure dans un lit fluidise, sans emission de dioxyde de soufre Abandoned CA2263497A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US70370396A 1996-08-27 1996-08-27
US08/703,703 1996-08-27
US89710397A 1997-07-18 1997-07-18
US08/897,103 1997-07-18
PCT/CA1997/000561 WO1998008989A1 (fr) 1996-08-27 1997-08-08 Procede d'oxydation par micro-onde d'un minerai sulfure dans un lit fluidise, sans emission de dioxyde de soufre

Publications (1)

Publication Number Publication Date
CA2263497A1 true CA2263497A1 (fr) 1998-03-05

Family

ID=27107190

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002263497A Abandoned CA2263497A1 (fr) 1996-08-27 1997-08-08 Procede d'oxydation par micro-onde d'un minerai sulfure dans un lit fluidise, sans emission de dioxyde de soufre

Country Status (4)

Country Link
EP (1) EP0950122A1 (fr)
AU (1) AU721221B2 (fr)
CA (1) CA2263497A1 (fr)
WO (1) WO1998008989A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5972302A (en) * 1996-08-27 1999-10-26 Emr Microwave Technology Corporation Method for the microwave induced oxidation of pyritic ores without the production of sulphur dioxide
AT408992B (de) * 2000-06-28 2002-04-25 Voest Alpine Ind Anlagen Verfahren zur direktreduktion von feinerz sowie anlage zur durchführung des verfahrens
RU2224805C1 (ru) * 2002-06-20 2004-02-27 Швецов Владимир Алексеевич Способ предварительного обжига сульфидных руд и продуктов их переработки, содержащих золото и серебро, в пробирном анализе
DE10260742A1 (de) * 2002-12-23 2004-07-08 Outokumpu Oyj Verfahren und Anlage zum thermischen Behandeln von körnigen Feststoffen in einem Wirbelbett
DE10260731B4 (de) 2002-12-23 2005-04-14 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen
DE10260733B4 (de) 2002-12-23 2010-08-12 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen
DE10260744A1 (de) * 2002-12-23 2004-07-01 Outokumpu Oyj Verfahren und Anlage zum thermischen Behandeln von körnigen Feststoffen
DE102010022400B4 (de) * 2010-06-01 2013-04-25 Outotec Oyj Verfahren und Anlage zur Absenkung des Rest-Kohlenstoffgehaltes von Asche
FR3136541B1 (fr) * 2022-06-14 2024-06-21 Innovation & Dev Company four de calcination par micro-ondes et à lit fluidisé

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2209331A (en) * 1936-11-12 1940-07-30 Haglund Ture Robert Roasting process
US4324582A (en) * 1980-06-11 1982-04-13 Kruesi Paul R Process for the recovery of copper from its ores
US4678478A (en) * 1986-04-14 1987-07-07 Massachusetts Institute Of Technology Method for desulfurization of coal
JPH0711594B2 (ja) * 1987-05-21 1995-02-08 動力炉・核燃料開発事業団 流動床システム
US5123956A (en) * 1991-04-12 1992-06-23 Newmont Mining Corporation Process for treating ore having recoverable gold values and including arsenic-, carbon- and sulfur-containing components by roasting in an oxygen-enriched gaseous atmosphere
JP2766586B2 (ja) * 1992-06-23 1998-06-18 大阪ガスエンジニアリング株式会社 粒状処理物の焙煎方法とその装置
DE4329417C1 (de) * 1993-09-01 1994-08-18 Metallgesellschaft Ag Verfahren zum Rösten refraktärer Golderze

Also Published As

Publication number Publication date
AU721221B2 (en) 2000-06-29
WO1998008989A1 (fr) 1998-03-05
EP0950122A1 (fr) 1999-10-20
AU3843997A (en) 1998-03-19

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued